Description
The HT818 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. Built for users looking for a strong analog-to-VoIP converter, it features Grandstream’s SIP ATA/gateway technology with millions of units successfully deployed worldwide. This powerful gateway carries exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for enterprise use.
- Supports 2 SIP profiles and 8 FXS ports
- Strong AES encryption with security certificate per unit
- Automated and secure provisioning options using TR069
- 3-way voice conferencing per port
- Exceptional voice quality with wide-band HD codec
- Supports T.38 Fax for reliable Fax-over-IP
- Supports dual Gigabit network ports
- High-performance NAT router
- Versatile voice codecs
The HT818 supports several voice codecs such as G.711, G.723.1, G.729ab, G.726, iLBC, and T.38, allowing for adaptability in various telecommunication scenarios. - Enhanced telephony interface
This VoIP adapter features 8 FXS ports, making it ideal for connecting multiple analog phones or fax machines, ensuring diverse communication options. - Secure communications
Equipped with AES and TLS encryption algorithms, the HT818 ensures secure transmission of voice data, safeguarding privacy and information integrity. - Robust network compatibility
Supporting various network protocols like TCP/IP, UDP/IP, and DHCP, this device integrates easily into existing networks, providing reliable connectivity. - Stable environmental performance
It operates effectively from 0 °C to 40 °C with a humidity range of 10 – 90%, making it suitable for various locations and settings.
What’s in the Box
- Grandstream HT818
- External power adapter
Main Specifications
Product Description | Grandstream HT818 – VoIP phone adapter |
Device Type | VoIP phone adapter |
Form Factor | External |
Ports Qty | 8 |
Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
VoIP Protocols | SIP |
Telephony Interfaces | 8 phone (FXS) |
Power | AC 120/230 V (50/60 Hz) |
Dimensions (WxDxH) | 18 cm x 12 cm x 3.6 cm |
Weight | 356 g |
Extended Specifications
General
Device Type | VoIP phone adapter |
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Width | 18 cm |
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Depth | 12 cm |
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Height | 3.6 cm |
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Weight | 356 g |
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Networking
Form Factor | External |
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Ports Qty | 8 |
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Connectivity Technology | Wired |
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Data Transfer Rate | 1 Gbps |
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Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
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Network / Transport Protocol | TCP/IP, UDP/IP, RTP, RTCP, ARP, RARP, ICMP/IP, DHCP, NTP |
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Remote Management Protocol | HTTP, HTTPS, TFTP, Telnet, TR-069 |
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Status Indicators | Power, LAN, WAN, phone |
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Features | Reset button, Syslog support, Quality of Service (QoS), DiffServ support, MPLS support, Type of Service (ToS), NAT support |
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Encryption Algorithm | TLS, AES |
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Compliant Standards | IEEE 802.1p, IEEE 802.1Q |
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IP Telephony
VoIP Protocols | SIP |
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Voice Codecs | G.711, G.723.1, G.729ab, G.726, iLBC, T.38 |
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Telephony Interfaces | 8 phone (FXS) |
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IP Telephony Features | Caller ID, call waiting, call forwarding, call hold, call transfer |
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Expansion / Connectivity
Interfaces | 8 x FXS – RJ-11
2 x 1000Base-T – RJ-45 |
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Miscellaneous
Compliant Standards | FCC, RCM |
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Power
Power Device | External power adapter |
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Voltage Required | AC 120/230 V (50/60 Hz) |
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Environmental Parameters
Min Operating Temperature | 0 °C |
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Max Operating Temperature | 40 °C |
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Humidity Range Operating | 10 – 90% (non-condensing) |
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